Dear helpers
Is it possible to plot with a desired character? For example "tr" for training error and "te" for test error.
I tried plot(x,y,pch="tr")
but only appears "t" in the plot
You probably want to use the 'text' function, but you have to set up the plot first, since 'text' adds to plots. EG:
plot(c(0,1),c(0,1),type='n')
text(runif(10),runif(10),'Random')
The text is by default centered on the x,y location, but you can change this with the adj parameter.
The text can be a vector, and it is recycled to the length of x,y:
text(runif(10),runif(10),c('Foo','Bar'))
see help(text) for more.
Baz
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